The Check House in Framlingham, UK -- that's the narrow building in the background -- is only seven feet wide! It's kind of upside-down because the first floor has a bedroom and the second floor has a kitchen and sitting room. The house, which has only 308 square feet of interior space, used to be part of a mill:

The tiny Victorian property in Framlingham, Suffolk, has the kitchen on the first floor and the bedroom underneath – and once formed part of a steam mill.

The one-bedroom house is part of the sought-after Mauldens Mill development. It is the last remaining Victorian part of the old steam mill.